A mock DUI event is held at the school, and Jenna gets cast as the victim. Meanwhile, Jake and Matty vie for her attention.

When Lacey's BFF Ally comes to town, they decide to "help" Jenna throw a rager. The next day, a forgetful and hungover Jenna struggles to reconstruct the events of the wild night and find out who she kissed.

Jenna's sixteenth birthday isn't very sweet as she suffers one embarrassing experience after the next. Jenna is still reeling from the aftermath of her house party and dealing with the repercussions of everyone she's alienated. After failing her driving test and getting humiliated in the school cafeteria, Jenna wonders if she can repair her relationships with Matty and Tamara.

As the night of winter formal approaches, someone shares the carefrontation letter with the whole student body, and Jenna must make a difficult decision.

Jenna is still unsure about her relationship with Matty, but after she attends the winter formal with Jake, she begins to re-think all of her choices.

A gift from Jake forces Jenna to decide whether she's ready to leave her past with Matty behind for good.

Jenna and Jake's relationship is finally going smoothly that is untill Matty starts tagging along and tries to tempt Jenna constantly.

Jenna prepares for her first Valentine's Day with a boyfriend; Jenna and Tamara are jealous that Matty and Ricky seem to be moving on.

Still reeling from Jake's proclamation of love, Jenna considers sleeping with him, believing sex might bring her some clarity about her own feelings.

Jenna's plans to sleep with Jake are hindered by Aunt Ally's wedding, someone from her mother's past and Sadie.

Jake gets upset when he learns of Jenna and Matty's past,breaking up with Jenna saying 'the timing wasn't right'. Matty after finding out goes to comfort Jenna ending up with them making out on Jenna's bed. Once Jake hears Jenna's message on her phone admitting she loves him, he realises his mistake and goes to her house finding Matty and Jenna kissing. Meanwhile Lacey ends up dancing with her old boyfriend Ben at the wedding. Jenna's dad ends up coming finding them dancing and is heartbroken. And, Jenna tells Matty she is still in love with him.